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Shell of differential speed variator for automobile

A technology for transmissions and vehicles, which is applied to transmission boxes, transmission parts, components with teeth, etc., can solve the problem that the reinforcing ribs cannot meet the strength requirements, and achieve the effects of saving materials, enhancing strength, and reducing costs.

Inactive Publication Date: 2015-07-22
CHONGQING ZHONGHUA MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some differential transmission assemblies with output power requirements, the existing ribs cannot meet the strength requirements

Method used

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  • Shell of differential speed variator for automobile
  • Shell of differential speed variator for automobile

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Embodiment Construction

[0010] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:

[0011] Such as figure 1 The vehicle differential transmission casing shown is mainly composed of a case cover and a case body, the two parts are fastened together and locked by six bolt and nut assemblies 10 . The case cover is provided with a power input hole 1 for installing a power input shaft, and a power output hole 2 for installing a power output shaft. Both the cover and the box body are aluminum castings, which are light in weight.

[0012] With the power output hole 2 as the center, an annular boss 3 and an annular rib 4 are arranged. The annular boss 3 surrounds the outer periphery of the power output hole 2 . With the power output hole 2 as the center of the circle, there are also strip ribs 5 distributed in a divergent shape. The inner end of each strip rib 5 is connected to the annular boss 3, and the outer end of some strip ribs 5 extends...

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Abstract

The invention relates to a shell of a differential speed variator for an automobile. The shell of the differential speed variator for the automobile comprises a box cover and a box body. The box cover and the box body are fastened together and are locked through a bolt and nut component. A power input hole and power output hole are formed in the box cover. An annular boss and an annular rib are arranged with the power input hole as the center of a circle, and the diameter of the annular boss is smaller than that of the annular rib. Strip-shaped ribs which are distributed in a divergent shape are further arranged with the power output hole serving as the center of a circle. The inner side end of each strip-shaped rib is connected to the first annular boss. The outer side ends of part of strip-shaped ribs stretch out of the annular rib, and the outer side ends of the rest strip-shaped ribs are connected with a positioning column arranged on the annular rib. The number of the strip-shaped ribs at one side close to the power input hole is larger than that of the strip-shaped ribs at one side far away from the power input hole. The parts, located between the annular rib and the annular boss, of the strip-shaped ribs are coplanar with the annular rib and the annular boss. The depths of the parts, located outside the annular rib, of the strip-shaped ribs are decreased gradually until the parts are flushed with the box cover. The intensity of the power input hole and the power outlet hole of the box cover are increased, and the box cover can bear a comparatively large torque when the differential speed variator for the automobile works.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a vehicle differential transmission housing. Background technique [0002] The differential transmission is a combined speed change transmission device that is formed by sealing the differential gear train with the basic transmission. By selecting different transmission parameters in the device, it can realize precise speed regulation and expand the carrying capacity of the basic transmission, or Expand the speed range of the basic transmission. [0003] Differential transmissions currently used in the automotive industry, such as figure 2 As shown, it usually consists of a casing and a transmission mechanism C arranged inside the casing. The shell is composed of a box cover B and a box body A, both of which are castings, and the box cover B is provided with a power input hole 1 and a power output hole 2 . When the automobile differential transmission is working, both the ...

Claims

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Application Information

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IPC IPC(8): F16H57/037F16H57/03F16H57/031
CPCF16H57/037F16H57/03F16H57/031
Inventor 钟川钟华梅小龙
Owner CHONGQING ZHONGHUA MACHINERY
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